National Stock Number
2530-00-392-4422
National Stock Number (NSN) 2530-00-392-4422, or NIIN 003924422, (connecting rod,piston) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 2530003962910, 2530003086089, 2530006997590.
There are 9 manufacturer part numbers associated with this NSN. 8 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 13 suppliers. Today, 8 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 09, 2014, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 60266. [A DEVICE USED FOR CONNECTING A PISTON TO A CRANKSHAFT OR TO A MASTER CONNECTING ROD OF AN INTERNAL COMBUSTION ENGINE, STEAM RECIPROCATING ENGINE, RECIPROCATING AIR COMPRESSOR, OR THE LIKE. THE ROD MAY BE CONNECTED DIRECTLY TO THE PISTON, OR IT MAY TRANSMIT THE MOTION THROUGH A CROSSHEAD.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 2530003924422 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.